Diamond Springs, CA vs Montclair, CA
Diamond Springs is moderately more affordable than Montclair, with a 10.6% lower cost of living index. Diamond Springs scores 122 compared to 136 for Montclair, where the US average is 100. This difference means residents of Montclair can expect to pay noticeably more for everyday expenses, housing, and services.
On the housing front, median rent in Diamond Springs is $1,644/month compared to $1,759/month in Montclair — a 7% difference. Home values follow the same pattern: Diamond Springs is more affordable at $409,000 median vs $549,600.
Median household income in Diamond Springs is $83,288 compared to $76,338 in Montclair (+9.1%). Diamond Springs offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Diamond Springs spend roughly 23.7% of their income on rent, less than the 27.7% in Montclair.
Climate-wise, Montclair is notably warmer with an average of 66.8°F compared to 63.4°F in Diamond Springs. Diamond Springs receives more rainfall at 19.2" per year compared to 11.6" in Montclair.
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Housing
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Rent by Bedroom Size
HUD Fair Market Rent (FY 2026) — metro area average
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Climate
NOAA 30-year normals (1991-2020)